DeepSeek: DeepSeek V4 Flash 0731 (batch)

deepseek/deepseek-v4-flash-0731:batch · DeepSeekDeclared and measured agree

Tokenizer group (measured): DeepSeek
Evidence confidence: High
Declared tokenizer tag: DeepSeek
Entered catalogue: 31 July 2026
Last tested: Not yet measured
Measurement: Variant: inherits its base model’s measurement

Evidence

✓ inherited from deepseek/deepseek-v4-flash-0731: a serving variant shares its base model's tokenizer

Compare with DeepSeek: DeepSeek V4 Flash 0731

This entry is a serving variant of DeepSeek: DeepSeek V4 Flash 0731. A variant shares its base model's tokenizer by construction, so the measurement lives on the base record and this page inherits it.

Identity statement

DeepSeek: DeepSeek V4 Flash 0731 (batch) is DeepSeek's model, and its measured tokenizer sits in DeepSeek's own signature group alongside its sibling models. No other maker's measured model shares it so far.

Evidence stack

Signals of different kinds, weighed together

Signal	Result	Reference
Tokenizer signature	Not measured	–
API surface	No other entry shares this exact contract	api_431ca768
Context and output	1,048,576 context · 943,718 max output	declared
Reasoning contract	Optional · efforts max, high, low · default high	declared
Serving providers observed	None recorded yet	–

Declared record

What the catalogue claims about this model

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

Modalities: text->text
Declared tokenizer: DeepSeek
Prompt price: $0.11 / M tokens
Completion price: $0.33 / M tokens

Supported parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

defaults: {}

Catalogue entry Weights on Hugging Face

History

Every observation, kept as taken

31 July 2026Enters the OpenRouter catalogue declared as DeepSeek.

Cite this page as the evidence record for DeepSeek: DeepSeek V4 Flash 0731 (batch): the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings.